Chivers,Ian D. (Ian David), 1952- author
Ellis Horwood, 1990
Buku Teks
Metcalf, Michael, author
Clarendon Press , 1985
Buku Teks
Boyle, Thomas A., author
Brooks/Cole, 1985
Buku Teks
Page, Clive, author
Multi Media, 1985
Buku Referensi
Seeds, Harice L., author
John Wiley & Sons, 1981
Buku Teks